AJ McLean and his wife, Rochelle, have made the decision to temporarily separate after 12 years of marriage.In a statement from the Backstreet Boys singer's rep, the pair are planning to «work» on themselves and their marriage with the hope of «building a stronger future.»«Marriage is hard, but worth it. We have mutually decided to separate temporarily to work on ourselves, and on our marriage with the hope of building a stronger future.